Ardal O'Hanlon

Robbie (voice)

Jane Horrocks

Donner (voice)

Gillian Anderson

Queen Vorkana (voice)

Keira Knightley

Em (voice)

Ozzy Osbourne

Vicar (voice)

Michael Palin

Gariiiiiii (voice)

Paul Whitehouse

Prancer (voice)

Sean Hughes

Tapir (voice)

Harry Enfield

Old Jingle (voice)

Graham Norton

Computer (voice)

Russell Brand

Earth Guardian (voice)

Shane Richie

Trooper #1 (voice)

Ross Kemp

Trooper #2 (voice)